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  <title>Returns the maximum number of bytes required to display a column</title>
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  <div id="layout-content"><div id="function.db2-field-display-size" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">db2_field_display_size</h1>
  <p class="verinfo">(PECL ibm_db2 &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">db2_field_display_size</span> &mdash; <span class="dc-title">
   Returns the maximum number of bytes required to display a column
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.db2-field-display-size-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>db2_field_display_size</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$stmt</code></span>
   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$column</code></span>
   ) : <span class="type">int</span></div>


  <p class="para rdfs-comment">
   Returns the maximum number of bytes required to display a column in a
   result set.
  </p>

 </div>

 <div class="refsect1 parameters" id="refsect1-function.db2-field-display-size-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">stmt</code></dt>

      <dd>

       <p class="para">
        Specifies a statement resource containing a result set.
       </p>
      </dd>

     
    
     <dt>
<code class="parameter">column</code></dt>

      <dd>

       <p class="para">
        Specifies the column in the result set. This can either be an integer
        representing the 0-indexed position of the column, or a string
        containing the name of the column.
       </p>
      </dd>

     
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.db2-field-display-size-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an integer value with the maximum number of bytes required to
   display the specified column. If the column does not exist in the result
   set, <span class="function"><strong>db2_field_display_size()</strong></span> returns <strong><code>FALSE</code></strong>.
  </p>
 </div>


 

 <div class="refsect1 seealso" id="refsect1-function.db2-field-display-size-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="db2_field_name.html" class="function" rel="rdfs-seeAlso">db2_field_name()</a> - Returns the name of the column in the result set</span></li>
    <li class="member"><span class="function"><a href="db2_field_num.html" class="function" rel="rdfs-seeAlso">db2_field_num()</a> - Returns the position of the named column in a result set</span></li>
    <li class="member"><span class="function"><a href="db2_field_precision.html" class="function" rel="rdfs-seeAlso">db2_field_precision()</a> - Returns the precision of the indicated column in a result set</span></li>
    <li class="member"><span class="function"><a href="db2_field_scale.html" class="function" rel="rdfs-seeAlso">db2_field_scale()</a> - Returns the scale of the indicated column in a result set</span></li>
    <li class="member"><span class="function"><a href="db2_field_type.html" class="function" rel="rdfs-seeAlso">db2_field_type()</a> - Returns the data type of the indicated column in a result set</span></li>
    <li class="member"><span class="function"><a href="db2_field_width.html" class="function" rel="rdfs-seeAlso">db2_field_width()</a> - Returns the width of the current value of the indicated column in a result set</span></li>
   </ul>
  </p>
 </div>



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